28221711

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22031}}^1$

素因数の和:22102

約数の個数: 16

約数和(自身を含む): 43711488

約数和(自身を除く): 15489777

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22031, 66093, 154217, 462651, 1343891, 4031673, 9407237, 28221711]

約数ペア:

[(1, 28221711), (3, 9407237), (7, 4031673), (21, 1343891), (61, 462651), (183, 154217), (427, 66093), (1281, 22031)]